january/february 2016 60870-6 Transmission Generation 61968 figure 4. IEC reference architecture for smart grid information exchanges. 61968 Customer Premises Smart Meter Smart Meter Gateway/ WAN Head-End System MDMS Controllable Load, Storage, Generation 61850 H/B/I Management System 62746 62325 Trading System Field DER DER System (Generation, Storage, Controllable Load, EV Charging Station) 61850 61850 61400-25 DER Management System 62746 62325 62325 Trading System Station Distribution Substation and Distribution Automation Substation and Transmission Automation Plant Automation 61400-25-2 61850 61850 60870-5-101/104 61850 DMS/SCADA System 61850 61850 60870-5-101/104 60870-6 61970/ 61968 61968/61970 62325 Trading System Operation 61850 61850 60870-5-101/104 EMS/SCADA System 61970/ 61968 62325 Trading System Enterprise Generation Management System 61970/ 61968 62325 Trading System Marketplace Market Process ieee power & energy magazine 87 IEC 61850 Standards CIM Power Systems Standards CIM Market Standards Some Security Aspects Are Handled by Some Specific Standards 62351 Covers All Security Aspects Reference Architecture (TC57 Standards)